发明名称 |
HYDRAULIC DRIVING DEVICE |
摘要 |
A hydraulic driving device includes: a hydraulic motor configured to operate by flushing oil from a hydraulic pump through a high pressure oil passage and a low pressure oil passage; a low pressure selective valve configured to operate in accordance with differential pressure between the high pressure oil passage and the low pressure oil passage, and to discharge the oil in the low pressure oil passage inside a motor case; a tank oil passage configured to connect the inside of the motor case with an oil tank; and a choke throttle provided to the low pressure selective valve or to an oil passage lower than the low pressure selective valve. |
申请公布号 |
US2016238043(A1) |
申请公布日期 |
2016.08.18 |
申请号 |
US201414385628 |
申请日期 |
2014.05.29 |
申请人 |
KOMATSU LTD. |
发明人 |
Miyata Takuya;Naitou Shinobu |
分类号 |
F15B13/042;F15B13/04;F15B11/08 |
主分类号 |
F15B13/042 |
代理机构 |
|
代理人 |
|
主权项 |
1. A hydraulic driving device comprising:
a hydraulic motor configured to operate by flushing oil from a hydraulic pump through a high pressure oil passage and a low pressure oil passage; a low pressure selective valve configured to operate in accordance with differential pressure between the high pressure oil passage and the low pressure oil passage, and to discharge the oil in the low pressure oil passage inside a motor case; a tank oil passage configured to connect the inside of the motor case with an oil tank; and a choke throttle provided to the low pressure selective valve or to an oil passage lower than the low pressure selective valve. |
地址 |
Minato-ku, Tokyo JP |